- Grignard cyclization reaction of fluorinated N-arylimidoyl chlorides: A novel and facile access to 2-fluoroalkyl indoles
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2-Fluoroalkyl-substituted indole derivatives were simply prepared via the Grignard cyclization reaction (GCR) of corresponding fluorinated N-aryl imidoyl chlorides in good yields. This approach provides a novel and facile access to the biologically import
- Ge, Fenglian,Wang, Zengxue,Wan, Wen,Hao, Jian
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- Synthesis of several 3-substituted 2-trifluoromethylindoles via Mannich reaction of 2-trifluoromethylindoles
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Several 2-trifluoromethyl derivatives of biologically active indoles, tryptamine, indole-3-acetic acid, oxypertine and tryptophan, were synthesized starting from 2-trifluoromethylindoles by use of the Mannich reaction and subsequent nucleophilic substitut
- Miyashita, Kazuyuki,Kondoh, Katsunori,Tsuchiya, Katsutoshi,Miyabe, Hideto,Imanishi, Takeshi
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- An electrochemical approach for the synthesis of perfluoroalkylated purine and indole analogues of plant growth regulators
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In an effort to prepare new fluorine-containing molecules as analogues of Plant Growth Regulators (PGRs), the indirect electrochemical reduction, by means of an aromatic anion mediator, of perfluoroalkyl halides in the presence of purine and indolyl anion
- Médebielle, Maurice,Fujii, Shozo,Kato, Katsuya
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- Fluorinated N-[2-(haloalkyl)phenyl]imidoyl chloride, a key intermediate for the synthesis of 2-fluoroalkyl substituted indole derivatives via Grignard cyclization process
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Fluorinated N-[2-(haloalkyl)phenyl]imidoyl chloride, which was readily available from the corresponding anilines by using Uneyama's one-pot synthesis of fluorinated imidoyl chloride, was found to be a key intermediate for the facile synthesis of 2-fluoroa
- Wang, Zengxue,Ge, Fenglian,Wan, Wen,Jiang, Haizhen,Hao, Jian
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- Exploring the Structure and Performance of Cd–Chalcogenide Photocatalysts in Selective Trifluoromethylation
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The field of heterogeneous photoredox catalysis has grown substantially and impacted organic synthesis because of the affordability and reusability of catalysts. This study reports radical trifluoromethylation with Cd–chalcogenide semiconductors. Cd semiconductors, particularly CdSe, are readily available, commercial, visible-light-responsive, heterogeneous photocatalysts. The potential of readily available Cd semiconductors, particularly CdSe, is confirmed by their increased photocatalytic activity toward trifluoromethylation with various substrates, such as (hetero)arenes and vinylic amides/acids, via addition, cyclization, and decarboxylation under visible light. The economic significance of this strategy is also highlighted through the scalable synthesis of biologically active molecules followed by catalyst reuse. Moreover, these catalysts are relatively inexpensive compared with transition metal-based homogeneous photocatalysts, presently used in organic synthesis.
- Muralirajan, Krishnamoorthy,Kancherla, Rajesh,Bau, Jeremy A.,Taksande, Mayur Rahul,Qureshi, Muhammad,Takanabe, Kazuhiro,Rueping, Magnus
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p. 14772 - 14780
(2021/12/09)
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